325445120 has 320 divisors, whose sum is σ = 1055932416. Its totient is φ = 92897280.

The previous prime is 325445119. The next prime is 325445137. The reversal of 325445120 is 21544523.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×325445120² = 211829052263628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 325445120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2562497 + ... + 2562623.

Almost surely, 2^325445120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 325445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527966208).

325445120 is an abundant number, since it is smaller than the sum of its proper divisors (730487296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325445120 is a wasteful number, since it uses less digits than its factorization.

325445120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 325445120 is about 18040.0975607118. The cubic root of 325445120 is about 687.8481727350.

Adding to 325445120 its reverse (21544523), we get a palindrome (346989643).

The spelling of 325445120 in words is "three hundred twenty-five million, four hundred forty-five thousand, one hundred twenty".